2025 GMC Yukon XL tire size

Most common factory size

P275/60R20

Tire sizes by trim

Source marks: one source

2025 GMC Yukon XL tire size by trim
Size	Trims	Width, mm	Sidewall, % of width	Rim, in	Diameter, in	Sidewall, in	Revs per mile
P275/60R20	AT4 4WD, Denali RWD, Denali 4WD	275	60	20	32.99	6.50	611
P265/65R18	Elevation RWD, Elevation 4WD	265	65	18	31.56	6.78	639
P275/50R22	AT4 Ultimate 4WD, Denali Ultimate 4WD	275	50	22	32.83	5.41	614

What P275/60R20 means
Part	Number	Meaning
Type	P	Passenger car tire.
Width	275 mm	Tread width. 10.8 in.
Sidewall	60	Sidewall height is 60% of the width.
Construction	R	Radial tire.
Rim	20 in	Fits 20 in wheels.

Within 3% of the stock diameter. A common shop guideline, not a maker spec.

Sizes within 3% of P275/60R20
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
255/65R20	20	33.05	+0.2%	59.9 mph
275/55R21	21	32.91	-0.3%	60.2 mph
265/60R20	20	32.52	-1.4%	60.9 mph
255/65R19	19	32.05	-2.9%	61.8 mph
255/60R20	20	32.05	-2.9%	61.8 mph

Sizes within 3% of P265/65R18
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
265/70R17	17	31.61	+0.1%	59.9 mph
245/70R18	18	31.50	-0.2%	60.1 mph
245/75R17	17	31.47	-0.3%	60.2 mph
285/60R18	18	31.46	-0.3%	60.2 mph
235/80R17	17	31.80	+0.8%	59.5 mph
255/65R19	19	32.05	+1.5%	59.1 mph
255/70R18	18	32.06	+1.6%	59.1 mph
255/75R17	17	32.06	+1.6%	59.1 mph

Sizes within 3% of P275/50R22
Size	Rim, in	Diameter, in	Change	Speedo reads at 60 mph
275/55R21	21	32.91	+0.3%	59.8 mph
265/50R22	22	32.43	-1.2%	60.7 mph
265/55R22	22	33.48	+2.0%	58.8 mph
285/45R22	22	32.10	-2.2%	61.4 mph
285/40R23	23	31.98	-2.6%	61.6 mph

Checked against 292 factory sizes listed for 2009-2027 US models.

Tire pressure is on the driver door sticker. Not in this data.

Optional wheel packages may differ.